Add HTTP Headers to a Mashup
In some cases, you may need to add additional instructions to a mashup response using HTTP headers. These headers provide additional information about the response, such as the language of the response, instructions for caching and many others.
To add an HTTP response header for a mashup in Wires
1. Select the 
Output block on the canvas. 2. Click the Advanced Properties tab in the block properties pane.
3. Click Add HTTP Response Header to open fields to specify one HTTP header.
You can add any number of HTTP headers to the mashup.
4. Choose the name of the HTTP header from the left field.
to set the value for the header dynamically. See Select Fields or Paths for Block Properties with the Path
Selector for more information. 